This Hydrangea paniculata is a deciduous plant so during the dormant season in early autumn it will lose all its leaves shooting new growth in the spring from April. 

Also called Hydrangea paniculata Ruby. 

Hydrangea paniculata Angel's Blush or Ruby is an upright rounded deciduous shrub with ovate pointed mid to dark green leaves. Produces large conical panicles of white flowers turning rose pink with age from summer through to autumn. 

Eventual height up to 3.5 metres and spread 3 metres